Which value, that is contained in an IPv4 header field, is decremented by each router that receives a packet?
- Differentiated Services
- Fragment Offset
- Header Length
Answers Explanation & Hints:
When a router receives a packet, the router will decrement the Time-to-Live (TTL) field by one. When the field reaches zero, the receiving router will discard the packet and will send an ICMP Time Exceeded message to the sender.